LB Health Check

Users can create LB health checks through the Samsung Cloud Platform Console and use them in LB server groups.

Create an LB health check

To create an LB health check, follow these steps.

1. Click the All Services > Networking > Load Balancer menu. 1. Navigate to the Service Home page of the Load Balancer.
2. On the Service Home page, click the LB Health Check menu. 2. Navigates to the LB Health Check List page.
3. On the LB Health Check List page, click the Create LB Health Check button. 3. Navigate to the Create LB Health Check page.
4. On the Create LB Health Check page, enter the information required to create the service and select the detailed options.
   • Enter or select the required information in the Service Information Input area.

     Category	Required	Detailed Description
     LB Health Check Name	Required	LB Health Check Resource Name Enter 3 to 63 characters using uppercase and lowercase letters, numbers, and special characters (-_) LB Health Check names must be unique within an Account
     VPC Name	Required	Select the VPC in which to create the LB health check. Select the VPC in which the LB server group that uses the LB health check is created.
     Service Subnet Name	Required	Select the VPC Subnet to create the LB health check Select the Service Subnet where the LB server group for the LB health check is created
     Health Check Method > Protocol	Required	Select TCP or HTTP as the protocol for the member health check
     Health Check Method > Health Check Port	Required	Select the member port or enter a custom value for the port used for member health checks. When entering a custom value, enter a value between 1 and 65,534.
     Health Check Method > Interval	Required	Health check interval Default is 5 seconds; input range is 1 to 180 seconds
     Health Check Method > Wait Time	Required	Health check response timeout Default is 5 seconds. You can enter a value between 1 and 180 seconds. Cannot be set to a value greater than the interval.
     Health Check Method > Detection Count	Required	Number of attempts to determine health check status Default is 3. You can enter a value from 1 to 10.
     Health Check Method > HTTP Method	Required	Set the HTTP request method (configured when using the HTTP protocol) Select GET or POST
     Health Check Method > URL Monitor	Required	Health check URL path (set when using the HTTP protocol) Enter up to 50 characters using letters, numbers, and special characters (/.-_?&=)
     Health Check Method > Response Code	Required	Enter the HTTP response code to receive from the server (configured when using the HTTP protocol) Enter a response code in the 200 to 500 range
     Health Check Method > Request String	Required	Enter the health check request string (configured when using the POST method of the HTTP protocol) Enter the content to include in the Request Body using English letters, numbers, and special characters (/.-_?&=) within 255 bytes

     Table. LB health check service information input fields
   • Enter or select the required information in the Additional Information area.

     Category	Required	Detailed Description
     Description	Select	Resource Description Input
     Tag	Select	Add Tag You can add up to 50 tags per resource.

     Table. Additional information input fields for LB health checks
5. Review the service information and estimated billing amount generated in the Summary panel, and then click the Create button.
   • After generation is complete, verify the generated resources on the LB Health Check List page.

Viewing LB health check details

In the LB Health Check menu, you can view and modify the resource list and detailed information. The LB Health Check Details page consists of the Details, Connected Resources, Tags, and Operation History tabs.

To view detailed LB health check information, follow these steps.

1. Click the All Services > Networking > Load Balancer menu. 1. Navigate to the Service Home page of the Load Balancer.

2. On the Service Home page, click the LB Health Check menu. 2. Navigates to the LB Health Check List page.

   • You can modify the column display settings by clicking the Settings button in the top-right corner of the table.

     Category	Display Status	Detailed Description
     LB health check name	Basic	LB health check resource name
     Service Subnet ID	Basic	The VPC Subnet name where the LB health check is created
     Number of LB server groups	Basic	Number of LB server groups using LB health checks
     Type	Basic	LB Health Check Type
     Protocol	Basic	LB Health Check Protocol
     Created	Basic	LB Health Check Creation Date
     Status	Basic	LB Health Check Resource Status

     Table. LB health check list items

3. Click a resource on the LB Health Check List page to view its details. 3. Navigates to the LB Health Check Details page.

   • The top of the LB Health Check Details page displays descriptions of status information and additional features.

     Category	Detailed Description
     Status	LB Health Check Resource Status Active: The service is properly active. Deleting: Processing the service termination request. Creating: Processing the service creation request. Error: The current status cannot be determined due to an internal error. If this status persists, contact the Support Center. Editing: Processing the service modification request.
     Delete LB health check	Delete LB health check resources

     Table. LB health check status information and additional feature items

Detailed Information

In the Details tab, you can view the details of a resource in the LB Health Check List and modify the information as needed.

Connected Resources

On the Connected Resources tab, you can view detailed information about the LB server group connected to LB Health Check.

Tag

On the LB Health Check List page, you can view the tag information for the selected resource and add, modify, or delete tags.

Job History

You can view the job history of the selected resource in the Job History tab.

Modifying the LB health check method

You can modify the health check method on the LB Health Check Details page.

To modify the LB health check method, follow these steps.

1. Click the All Services > Networking > Load Balancer menu. 1. Navigate to the Service Home page of the Load Balancer.
2. On the Service Home page, click the LB Health Check menu. 2. Navigates to the LB Health Check List page.
3. On the LB Health Check List page, click the resource whose details you want to modify. 3. Navigates to the LB Health Check Details page.
4. On the LB Health Check Details page, click the Edit icon for Health Check Method. 4. Fix health check method Move to the popup window.
5. Modify Health Check Method Edit the required information in the popup window, then click the Confirm button.

Releasing the LB health check

You can cancel unused LB health check services.

To disable the LB health check, follow these steps.

1. Click the All Services > Networking > Load Balancer menu. 1. Navigate to the Service Home page of the Load Balancer.
2. On the Service Home page, click the LB Health Check menu. 2. Navigates to the LB Health Check List page.
3. Click the resource to be released in the LB Health Check List. 3. Navigates to the LB Health Check Details page.
4. On the LB Health Check Details page, click the Delete LB Health Check button.
5. After the release is complete, check the resource release status in the LB Health Check List.